When using ssh, which of the following can an administrator do to recover a lost passphrase for a
DSA or RSA authentication key?

Which of the following describes the Linux ping packet or datagram?

Which of the following entries can an administrator add to syslog.conf file to have all syslog
messages generated by the administrator system go file to have all syslog messages generated
by the administrator? system go to virtual console 12?

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Which file specifies the user accounts can NOT submit jobs via at or batch? (Provide the full path
and filename).

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The ________ command is used to add a group to the system. (Please enter only a single
command and do not enter duplicate answers in this field.)

An administrator has just set up the X Display Manager as the default display manager. Which of
the following files should be edited to change the default background for it?

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What word is missing from the following SQL statement? update tablename ____
fieldname=’value’ where id=909;

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What is the command to delete the default gateway from the system IP routing table? (Please
specify the complete command with arguments, please no duplicate answers in this field.)

An administrator is running an email server configured with the default settings. In which directory

will the administrator commonly find the delivered mail for the user foo?

For accessibility assistance, which of the following programs is an on-screen keyboard?